Peony, Karl Rosenfield PeonyKarl Rosenfield Peony is a fast growing herbaceous perennial with red tinged stems that sport deep green leaves that turn orange in fall. The large mildly fragrant red double flowers bloom mid spring attracting butterflies. Prefers afternoon shade in southern areas and well drained soils. Foliage dies back to the ground after frost. Type: Perennial Height: 2. 5 3 Spread: 2. 5 3 Spacing: 2. 5 USDA Hardiness Zone: 3 8 Culture: Full Sun, Part Sun Bloom